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ExplicitPhpErrorApiRector

Use explicit API for expecting PHP errors, warnings, and notices

 final class SomeTest extends \PHPUnit\Framework\TestCase
 {
     public function test()
     {
-        $this->expectException(\PHPUnit\Framework\TestCase\Deprecated::class);
-        $this->expectException(\PHPUnit\Framework\TestCase\Error::class);
-        $this->expectException(\PHPUnit\Framework\TestCase\Notice::class);
-        $this->expectException(\PHPUnit\Framework\TestCase\Warning::class);
+        $this->expectDeprecation();
+        $this->expectError();
+        $this->expectNotice();
+        $this->expectWarning();
     }
 }

Configure your rector.php:

<?php

use Rector\Config\RectorConfig;
use Rector\PHPUnit\PHPUnit90\Rector\MethodCall\ExplicitPhpErrorApiRector;

return RectorConfig::configure()
    ->withRules([
        ExplicitPhpErrorApiRector::class,
    ]);
SETS:  phpunit/phpunit 9.0